CPT
Concealed Post Base
The CPT post base provides a clean look while providing a 25mm stand off height above the ground. reducing the potential for decay at the post end.
The CPT can be fixed to a concrete base with M12 resin anchors (sold separately).
CE Marking
Service class 3
Outdoor
Product Details
Images
Step 6: Drive the dowels into the post and through the flitch plate they should be roughly centred within the post.
Step 3: Cut a 5mm wide slot on the side adjacent the drilled holes. Check that the flitch plate slides freely.
Features
Application
Technical Data
Dimensions
Product Dimensions
| References | Timber post size [mm] | Product Dimensions [mm] | Holes | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | B | C | F | H | t1 | t2 | Washer | Top | Base | ||
| Ø13.5 | Ø13.5 | ||||||||||
| CPT44Z | 89x89 to 100x100 | 89 | 89 | 145 | 25 | 79 | 3.5 | 2.7 | 36x29x3.5 | 3 | 2 |
| CPT66Z | 133x133 to 150x150 | 133 | 133 | 145 | 25 | 114 | 3.5 | 2.7 | 36x29x3.5 | 3 | 2 |
| CPT88Z | 184x184 to 203x203 | 184 | 184 | 145 | 25 | 114 | 3.5 | 2.7 | 36x29x3.5 | 3 | 2 |
Characteristic Capacities
| References | Number of Fasteners | Characteristic Capacity - Timber C24 [kN] | ||||||
|---|---|---|---|---|---|---|---|---|
| Into Post | Into Concrete | R1,k | R2,k | R3,k | R4,k | |||
| Qty |
Type (Dowels) | Qty | Anchor | |||||
| CPT44Z | 3 | Ø13x70 | 2 | Ø12 | 59.4 | 11.2 | 7.3 | 3.9 |
| CPT66Z | 3 | Ø13x120 | 2 | Ø12 | 91.2 | 16.3 | 9.1 | 5.6 |
| CPT88Z | 3 | Ø13x120 | 2 | Ø12 | 123.1 | 16.3 | 9.1 | 5.6 |
The published characteristic capacity is based on medium term load duration and service class 3 according to EC5 (EN 1995). For other load duration and service class, please refer to the ETA
For combinated loads:
Installation
Installation
Step 1: Use the flitch plate as a
template to mark dowel locations.
Step 2: Drill 13mm holes
perpendicular to the post at marked locations.
Step 3: Cut a 5mm wide slot on the side adjacent the drilled holes. Check that the flitch plate slides freely.
Step 3: Cut a 5mm wide slot on the side adjacent the drilled holes. Check that the flitch plate slides freely.
Step 5: Lower the post onto the flitch plate with the drilled holes aligned with the three holes in the flitch plate. Be careful to avoid rotating the post during installation.
Step 6: Drive the dowels into the post and through the flitch plate they should be roughly centred within the post.
